4. If software can't detect face area, you can choose it by use Manual Face Selection tools.Then Left Mouse Click at Left-side of the face, after that, click at Right - side of the face. Software will calculate skin area and color by your selection and make automatic selection on face and skin area.

5. To select more area you can use Select tool then Hold Left Click and drag on the area that you want to select. Or if you want to remove some selected area, you can use Erase selection tool to remove them on the same ways. You must click Preview button after use Select tool or Erase Selection tool to update preview of retouch.

6. You can adjust retouched image by adjust Light, Soft for naturally retouch, Normal for smoother retouch or high contrast image.

Adjust Skin Size to control skin texture size as you wish. High Skin Size results in the more natural looking skin.